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1<!-- The content of this document is licensed under the CC-BY-SA license --> 1<!-- The content of this document is licensed under the CC-BY-SA license -->
2<!-- See http://creativecommons.org/licenses/by-sa/1.0 --> 2<!-- See http://creativecommons.org/licenses/by-sa/1.0 -->
3 3
4<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-working-use.xml,v 1.3 2003/11/27 11:08:27 swift Exp $ --> 4<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-working-use.xml,v 1.4 2003/11/29 15:39:34 swift Exp $ -->
5 5
6<sections> 6<sections>
7<section> 7<section>
8<title>What are USE-flags?</title> 8<title>What are USE-flags?</title>
9<subsection> 9<subsection>
10<title>The ideas behind USE-flags</title> 10<title>The ideas behind USE-flags</title>
11<body> 11<body>
12 12
13<p> 13<p>
14When you are installing Gentoo (or any other distribution, or even operating 14When you are installing Gentoo (or any other distribution, or even operating
15system for that matter) you make choices depending on the environment you are 15system for that matter) you make choices depending on the environment you are
16working with. A setup for a server differs from a setup for a workstation. 16working with. A setup for a server differs from a setup for a workstation.
17A gaming workstation differs from a 3D rendering workstation. 17A gaming workstation differs from a 3D rendering workstation.
18</p> 18</p>
19 19
216 <li> 216 <li>
217 Default USE setting declared in <path>/etc/make.profile/make.defaults</path> 217 Default USE setting declared in <path>/etc/make.profile/make.defaults</path>
218 </li> 218 </li>
219 <li> 219 <li>
220 Inherited USE setting if a package from 220 Inherited USE setting if a package from
221 <path>/etc/make.profile/use.defaults</path> is installed 221 <path>/etc/make.profile/use.defaults</path> is installed
222 </li> 222 </li>
223 <li> 223 <li>
224 User-defined USE setting in <path>/etc/make.conf</path> 224 User-defined USE setting in <path>/etc/make.conf</path>
225 </li> 225 </li>
226 <li> 226 <li>
227 User-defined USE setting as environment variable 227 User-defined USE setting as environment variable
228 </li> 228 </li>
229</ol> 229</ol>
230 230
231<p>
232To view the final <c>USE</c> setting as seen by Portage, run <c>emerge info</c>.
233This will list all relevant variables (including the <c>USE</c> variable) with
234the content used by Portage.
235</p>
236
237<pre caption="Running emerge info">
238# <i>emerge info</i>
239</pre>
240
231</body> 241</body>
232</subsection> 242</subsection>
233</section> 243</section>
234<section> 244<section>
235<title>Package specific USE-flags</title> 245<title>Package specific USE-flags</title>
236<subsection> 246<subsection>
237<title>Viewing available USE-flags</title> 247<title>Viewing available USE-flags</title>
238<body> 248<body>
239 249
240<p> 250<p>
241In the next chapter on <uri link="?part=2&amp;chap=2">Portage and Software</uri> 251In the next chapter on <uri link="?part=2&amp;chap=2">Portage and Software</uri>
242we will explain how to manage your installed software and how to work with 252we will explain how to manage your installed software and how to work with
243<c>emerge</c>. However, we will give you a primer on <c>emerge</c> by showing 253<c>emerge</c>. However, we will give you a primer on <c>emerge</c> by showing
244you how to view what USE-flags a package uses. 254you how to view what USE-flags a package uses.
245</p> 255</p>

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